Nuafun Sungchum และ Bunyarit Panyapinyopol. (2007) Reduction of trihalomethane formation potential by coagulation with alum and polymer. Mahidol University:ม.ป.ท.Nuafun Sungchum และ Bunyarit Panyapinyopol. 2007. Reduction of trihalomethane formation potential by coagulation with alum and polymer. ม.ป.ท.:Mahidol University;Nuafun Sungchum และ Bunyarit Panyapinyopol. Reduction of trihalomethane formation potential by coagulation with alum and polymer. ม.ป.ท.:Mahidol University, 2007. Print.